<title><%= title_to_show %></title>
<meta name="description" content="<%= description_to_show %>">
<% if keywords_to_show -%>
<meta name="keywords" content="<%= keywords_to_show %>">
<% end -%>
<% if canonical.present? -%>
<link rel="canonical" href="<%= canonical %>" />
<% end -%>
<% if robot_restrictions -%>
<meta name="robots" content="<%= robot_restrictions%>">
<% end -%>